CN203347041U - Film covering 3D sound absorber - Google Patents
Film covering 3D sound absorber Download PDFInfo
- Publication number
- CN203347041U CN203347041U CN 201320351067 CN201320351067U CN203347041U CN 203347041 U CN203347041 U CN 203347041U CN 201320351067 CN201320351067 CN 201320351067 CN 201320351067 U CN201320351067 U CN 201320351067U CN 203347041 U CN203347041 U CN 203347041U
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- polyester staple
- fiber
- acoustic
- layer
- absorbent
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- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The utility model discloses a film covering 3D sound absorber which comprises a covering layer, a first polyester staple fiber screen layer and a fiber layer, wherein the covering layer, the first polyester staple fiber screen layer and the fiber layer are compounded in sequence. Pinpricks are evenly distributed in the surface of the fiber layer. The diameter of each pinprick is no larger than 2mm. The depth of each pinprick is larger than two thirds of the thickness of the fiber cotton layer. The density of the pinpricks is 1-1.5 needles per square centimeter. Polyester fiber which can be cycled serves as raw materials of the film covering 3D sound absorber, hazardous substances do not exist or are not discharged, and the materials can be recycled. Fiber cotton and coverings are bonded together through fused first polyester staple fibers. After being attached to the wall, the film covering 3D sound absorber and the wall form a cavity, keels are removed, vibration transmission of sound is reduced, and accordingly the better sound absorption and noise reduction effect is achieved. The film covering 3D sound absorber is good in sound absorption effect, and especially the effect of absorbing the low-frequency sound is improved obviously.
Description
Technical field
The utility model relates to a kind of overlay film 3D acoustic(al)absorbent, belongs to building materials component and construction field.
Background technology
Suspended absorber requires and sound source characteristic according to the character of use of building, area, floor height, form of structure, decoration, and the various shapes such as tabular, square shape, bar shape, coniform and sphere-like can be arranged.Wherein tabular structure is the simplest, applies the most general.
The shaped structure more complicated of existing sound absorber, and the impact of a lot of constructions of existence and acoustic efficiency, the appearance effect of acoustic(al)absorbent is more dull, can not play the effect of decoration, aspect low frequency absorption, effect neither be clearly, and the manufacturing process complexity needs multiple working procedure just can complete.
The utility model content
The purpose of this utility model is to provide a kind of overlay film 3D acoustic(al)absorbent.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of overlay film 3D acoustic(al)absorbent, comprise compound successively blanket layer, the first polyester staple fiber stratum reticulare and fibrage; Cellucotton layer surface uniform is distributed with pinprick, and the aperture of pinprick is not more than 2mm, and the degree of depth of acupuncture is greater than 2/3rds of cellucotton layer thickness, and needling density is 1.0 pins/cm
2～1.5 pins/cm
2.
In order to improve the sound-absorbing effect of overlay film 3D acoustic(al)absorbent, the cellucotton layer comprises that the first polyester staple fibers peacekeeping is evenly distributed on the second polyester staple fiber or the Fypro in the first polyester staple fiber.
Above-mentioned the first polyester staple fiber refers to that fusing point is 180 ℃～210 ℃ polyester staple fibers; The second polyester staple fiber refers to the polyester staple fiber that fusing point is 240 ℃～270 ℃.
In order to improve the sound-absorbing effect of overlay film 3D acoustic(al)absorbent, guarantee the intensity of 3D acoustic(al)absorbent simultaneously, the quality of the first polyester staple fiber stratum reticulare is 2%～6% of cellucotton layer quality.
The applicant finds after deliberation, and the acoustic(al)absorbent of said structure is compared with acoustic(al)absorbent of the prior art, and sound-absorbing effect has had obvious lifting.
In order to reach better sound-absorbing effect, in the cellucotton layer, the mass ratio of the second polyester staple fiber or Fypro and the first polyester staple fiber is (1:1)～(1:3).
In order to save material, guarantee sound-absorbing effect simultaneously, the thickness of overlay film 3D acoustic(al)absorbent is 5mm～15mm.
For convenient, install, overlay film 3D acoustic(al)absorbent is uncovered rectangular structure, and the length of overlay film 3D acoustic(al)absorbent and the wide 600mm～1000mm that is are highly 45mm～100mm.
In order conveniently to be easy to get, guarantee product quality simultaneously, blanket layer is the woven face bed of material or leather layer.
The preparation method of above-mentioned overlay film 3D acoustic(al)absorbent comprises the following steps that order is joined:
(a) the first polyester staple fibers peacekeeping fiber A is mixed, obtain composite fibre; Described fiber A is the second polyester staple fiber or Fypro; The fusing point of the first polyester staple fiber is 180 ℃～210 ℃; The fusing point of the second polyester staple fiber is 240 ℃～270 ℃;
(b), by composite fibre shredding, combing, form fleece;
(c) fiber Netcom, roll-in are obtained to cellucotton; The needling density of described acupuncture is 1.0 pins/cm
2～1.5 pins/cm
2; Roll-in pressure during roll-in is 0.8Mpa～1.2Mpa, and roll-in speed is 1.1m/min～1.3m/min;
(d) the first polyester staple fiber is carried out to shredding, combing, make the first polyester staple fiber net; The density of the first polyester fiber net is 40g/m
2～70g/m
2;
(e) the first polyester staple fiber net of step (d) is covered with on the cellucotton of step (c);
(f) by the heat treatment of step (e) products obtained therefrom; Described heat treatment temperature is 190 ℃～215 ℃, and heat treatment time is 2min～3min;
(g) overburden is covered on step (f) products obtained therefrom, overburden is adjacent with the first polyester staple fiber net;
(h) (g) products obtained therefrom is entered to moulding press and push through mould, can make overlay film 3D acoustic(al)absorbent, the pressure of described moulding press is 1.47 * 10
5n/m
2～2.94 * 10
5n/m
2, the pressing mold time is 10s～15s.
For sound-absorbing effect and the intensity that improves product, in step (a), the mass ratio of fiber A and the first polyester staple fiber is (1:1)～(1:3), and in step (c), the roller spacing is 20～50mm.
Above-mentioned blanket surface can arrange the various required patterns such as leaf, stone, flower, personage, landscape, word, to reach better decorative effect.
The application of above-mentioned overlay film 3D acoustic(al)absorbent, overlay film 3D acoustic(al)absorbent when mounted, and forms cavity structure between body of wall.
The applicant finds after deliberation, and when the height of acoustic(al)absorbent is 45mm～100mm, it is best that the sound-absorbing effect of acoustic(al)absorbent reaches.
The not specified technology of the utility model is prior art.
It is raw material that the utility model be take the polyester fiber of reusable edible, melting by the first polyester staple fiber makes to be adhered to one another between fiber, owing to not using adhesive, therefore, overlay film 3D acoustic(al)absorbent of the present utility model does not contain hazardous substance, and can not discharge hazardous substances, material is recyclable recycling also; Cellucotton and overburden are bonded together by the first polyester staple fiber of melting; The utility model can form cavity with body of wall after being affixed on wall by overlay film 3D acoustic(al)absorbent, has saved keel, has reduced the vibration transmission of sound, thereby has better played the effect of sound absorption reduction; The environmental protection of this overlay film 3D acoustic(al)absorbent material therefor, easily recovery, the overlay film 3D acoustic(al)absorbent acoustically effective made is good, especially the bass acoustically effective is obviously improved; Surface coverage one deck fabric of the utility model overlay film 3D acoustic(al)absorbent, can play good decorative effect, can change arbitrarily according to the style of the change shape of mould and fabric, obtains the figure of oneself needs; This overlay film 3D acoustic(al)absorbent is light, is easy to install.
The accompanying drawing explanation
Fig. 1 is the sectional drawing of overlay film 3D acoustic(al)absorbent;
In figure, 1 is blanket layer, and 2 is the first polyester staple fiber stratum reticulare, and 3 is the second polyester staple fiber, and 4 is Fypro, and 5 is the cellucotton layer.
The specific embodiment
In order to understand better the utility model, further illustrate content of the present utility model below in conjunction with embodiment, but content of the present utility model not only is confined to the following examples.
Embodiment 1
Overlay film 3D acoustic(al)absorbent as shown in Figure 1, comprise compound successively blanket layer, the first polyester staple fiber stratum reticulare and cellucotton layer; The cellucotton layer comprises that the first polyester staple fibers peacekeeping is evenly distributed on the second polyester staple fiber in the first polyester staple fiber; The quality of the first polyester staple fiber stratum reticulare is 2% of cellucotton layer quality; The fusing point of described the first polyester staple fiber is 180 ℃; The fusing point of the second polyester staple fiber is 258 ℃.
In the cellucotton layer, the ratio of the second polyester staple fiber and the first polyester staple fiber is 1:1.
Cellucotton layer surface uniform is distributed with pinprick, and the aperture of pinprick is 1.8mm, and the degree of depth of acupuncture is 3/4ths of cellucotton layer thickness, and needling density is 1.2 pins/cm
2.
The thickness of overlay film 3D acoustic(al)absorbent is 5mm, the long and wide 600mm that is.
Blanket layer is the woven face bed of material.
The preparation method of above-mentioned overlay film 3D acoustic(al)absorbent, comprise the steps:
(a) first polyester staple fibers peacekeeping the second polyester staple fiber is added in the raw material feeding unit, fiber mixes through feeding unit, and the ratio of the second polyester staple fiber and the first polyester staple fiber is 1:1;
(b) at first mixed fiber is carried out to pre-shredding, agglomerated fiber together becomes loose; Carry out smart shredding after pre-shredding completes, fiber is mixed uniformly; The compressed device of fiber after shredding, throw carding equipment into, and fiber forms continuous fleece after carding equipment;
(c) fleece is obtained to the cellucotton body after by acupuncture, roll-in; The needling density of described acupuncture is 1.2 pins/cm
2; Roll-in pressure during roll-in is 0.9Mpa, and roll-in speed is 1.20m/min, and the roller spacing is 25mm;
(d) the first polyester staple fiber is carried out to shredding, combing, make the first polyester staple fiber net; The density of the first polyester fiber net is 50g/m
2;
(e) the first polyester staple fiber net of step (d) being processed is covered with on the cellucotton of step (c) processing;
(f) by the cellucotton heat treatment in baking oven after step (e) processing; Described heat treatment temperature is 190 ℃, and heat treatment time is 2min;
(g) the first polyester staple fiber net after dacron being covered to step (f) and processing above; Described dacron 220g/m
2;
(h) cellucotton after (g) processing is put on moulding press, through the mould extruding, can makes overlay film 3D acoustic(al)absorbent.The pressure of described moulding press is 1.66 * 10
5n/m
2, the pressing mold time is 10s;
The acoustic(al)absorbent that step (h) obtains can be used as finished product and dispatches from the factory after trimming, test package.
Embodiment 2
Overlay film 3D acoustic(al)absorbent, comprise compound successively blanket layer, the first polyester staple fiber stratum reticulare and cellucotton layer; The cellucotton layer comprises that the first polyester staple fibers peacekeeping is evenly distributed on the second polyester staple fiber in the first polyester staple fiber; The quality of the first polyester staple fiber stratum reticulare is 6% of cellucotton layer quality; The fusing point of described the first polyester staple fiber is 188 ℃; The fusing point of the second polyester staple fiber is 263 ℃.
In the cellucotton layer, the ratio of the second polyester staple fiber and the first polyester staple fiber is 1:2.
Cellucotton layer surface uniform is distributed with pinprick, and the aperture of pinprick is 1.9mm, and the degree of depth of acupuncture is 3/4ths of cellucotton layer thickness, and needling density is 1.3 pins/cm
2.
The thickness of overlay film 3D acoustic(al)absorbent is 15mm, the long and wide 1000mm that is.
Blanket layer is the woven face bed of material.
The preparation method of above-mentioned overlay film 3D acoustic(al)absorbent, comprise the steps:
(a) first polyester staple fibers peacekeeping the second polyester staple fiber is added in the raw material feeding unit, fiber mixes through feeding unit, and the ratio of the second polyester staple fiber and the first polyester staple fiber is 1:2;
(b) at first mixed fiber is carried out to pre-shredding, agglomerated fiber together becomes loose; Carry out smart shredding after pre-shredding completes, fiber is mixed uniformly; The compressed device of fiber after shredding, throw carding equipment into, and fiber forms continuous fleece after carding equipment;
(c) fleece is obtained to the cellucotton body after by acupuncture, roll-in; The needling density of described acupuncture is 1.3 pins/cm
2; Roll-in pressure during roll-in is 1.0Mpa, and roll-in speed is 1.12m/min, and the roller spacing is 30mm;
(d) the first polyester staple fiber is carried out to shredding, combing, make the first polyester staple fiber net; The density of the first polyester fiber net is 60g/m
2;
(e) the first polyester staple fiber net of step (d) being processed is covered with on the cellucotton of step (c) processing;
(f) by the cellucotton heat treatment in baking oven after step (e) processing; Described heat treatment temperature is 195 ℃, and heat treatment time is 2min.
(g) the first polyester staple fiber net after dacron being covered to step (f) and processing above; Described dacron 200g/m
2.
(h) cellucotton after (g) processing is put on moulding press, through the mould extruding, can makes overlay film 3D acoustic(al)absorbent; The pressure of described moulding press is 2.58 * 10
5n/m
2, the pressing mold time is 12s.
The acoustic(al)absorbent that step (h) obtains can be used as finished product and dispatches from the factory after trimming, test package.
Embodiment 3
Overlay film 3D acoustic(al)absorbent, comprise compound successively blanket layer, the first polyester staple fiber stratum reticulare and cellucotton layer; The cellucotton layer comprises that the first polyester staple fibers peacekeeping is evenly distributed on the second polyester staple fiber in the first polyester staple fiber; The quality of the first polyester staple fiber stratum reticulare is 4% of cellucotton layer quality; The fusing point of described the first polyester staple fiber is 198 ℃; The fusing point of the second polyester staple fiber is 266 ℃.
In the cellucotton layer, the ratio of the second polyester staple fiber and the first polyester staple fiber is 1:2.2.
Cellucotton layer surface uniform is distributed with pinprick, and the aperture of pinprick is 1.5mm, and the degree of depth of acupuncture is 4/5ths of cellucotton layer thickness, and needling density is 1.4 pins/cm
2.
The thickness of overlay film 3D acoustic(al)absorbent is 10mm, the long and wide 800mm that is.
Blanket layer is the woven face bed of material.
The preparation method of upper overlay film 3D acoustic(al)absorbent, comprise the steps:
(a) first polyester staple fibers peacekeeping the second polyester staple fiber is added in the raw material feeding unit, fiber mixes through feeding unit, and the ratio of the second polyester staple fiber and the first polyester staple fiber is 1:2.2;
(b) at first mixed fiber is carried out to pre-shredding, agglomerated fiber together becomes loose; Carry out smart shredding after pre-shredding completes, fiber is mixed uniformly; The compressed device of fiber after shredding, throw carding equipment into, and fiber forms continuous fleece after carding equipment;
(c) fleece is obtained to the cellucotton body after by acupuncture, roll-in; The needling density of described acupuncture is 1.4 pins/cm
2; Roll-in pressure during roll-in is 0.8Mpa, and roll-in speed is 1.25m/min, and the roller spacing is 40mm;
(d) the first polyester staple fiber is carried out to shredding, combing, make the first polyester staple fiber net; The density of the first polyester fiber net is 70g/m
2;
(e) the first polyester staple fiber net of step (d) being processed is covered with on the cellucotton of step (c) processing;
(f) by the cellucotton heat treatment in baking oven after step (e) processing; Described heat treatment temperature is 200 ℃, and heat treatment time is 2.5min;
(g) the first polyester staple fiber net after dacron being covered to step (f) and processing above; Described dacron 250g/m
2;
(h) cellucotton after (g) processing is put on moulding press, through the mould extruding, can makes overlay film 3D acoustic(al)absorbent, the pressure of described moulding press is 2.64 * 10
5n/m
2, the pressing mold time is 11s;
The acoustic(al)absorbent that step (h) obtains can be used as finished product and dispatches from the factory after trimming, test package.
Embodiment 4
Overlay film 3D acoustic(al)absorbent, comprise compound successively blanket layer, the first polyester staple fiber stratum reticulare and cellucotton layer; The cellucotton layer comprises that the first polyester staple fibers peacekeeping is evenly distributed on the Fypro in the first polyester staple fiber; The quality of the first polyester staple fiber stratum reticulare is 3% of cellucotton layer quality; The fusing point of described the first polyester staple fiber is 202 ℃; The fusing point of the second polyester staple fiber is 268 ℃.
In the cellucotton layer, the ratio of Fypro and the first polyester staple fiber is 1:2.5.
Cellucotton layer surface uniform is distributed with pinprick, and the aperture of pinprick is 1.8mm, and the degree of depth of acupuncture is 3/4ths of cellucotton layer thickness, and needling density is 1.5 pins/cm
2.
The thickness of overlay film 3D acoustic(al)absorbent is 8mm, the long and wide 800mm that is.
Blanket layer is the woven face bed of material or leather layer.
The preparation method of above-mentioned overlay film 3D acoustic(al)absorbent, comprise the steps:
(a) the first polyester staple fibers peacekeeping Fypro is added in the raw material feeding unit, fiber mixes through feeding unit, and the ratio of Fypro and the first polyester staple fiber is 1:2.5;
(b) at first mixed fiber is carried out to pre-shredding, agglomerated fiber together becomes loose; Carry out smart shredding after pre-shredding completes, fiber is mixed uniformly; The compressed device of fiber after shredding, throw carding equipment into, and fiber forms continuous fleece after carding equipment;
(c) fleece is obtained to the cellucotton body after by acupuncture, roll-in; The needling density of described acupuncture is 1.5 pins/cm
2; Roll-in pressure during roll-in is 1.2Mpa, and roll-in speed is 1.20m/min, and the roller spacing is 50mm;
(d) the first polyester staple fiber is carried out to shredding, combing, make the first polyester staple fiber net; The density of the first polyester fiber net is 70g/m
2;
(e) the first polyester staple fiber net of step (d) being processed is covered with on the cellucotton of step (c) processing;
(f) by the cellucotton heat treatment in baking oven after step (e) processing; Described heat treatment temperature is 210 ℃, and heat treatment time is 3min.
(g) the first polyester staple fiber net after dacron being covered to step (f) and processing above; Described dacron 230g/m
2.
(h) cellucotton after (g) processing is put on moulding press, through the mould extruding, can makes the 3D acoustic(al)absorbent; The pressure of described moulding press is 2.94 * 10
5n/m
2, the pressing mold time is 13s.
The acoustic(al)absorbent that step (e) obtains can be used as finished product and dispatches from the factory after trimming, test package.
Below the sound absorbing capabilities of overlay film 3D acoustic(al)absorbent that the utility model is obtained detected, the sound absorption coefficient that table 1 is each product; The detection method employing standard of sound absorption coefficient is GB/T20247-2006 " acoustic absorptivity measurements of acoustic reverberation chamber ", checkout equipment: BK4418 type building acoustics analyzer; 25 ℃ of environment temperatures, humidity 80%.
The sound absorption coefficient that table 1 is each product
Claims (5)
1. an overlay film 3D acoustic(al)absorbent, is characterized in that: comprise compound successively blanket layer, the first polyester staple fiber stratum reticulare and cellucotton layer; Cellucotton layer surface uniform is distributed with pinprick, and the aperture of pinprick is not more than 2mm, and the degree of depth of acupuncture is greater than 2/3rds of cellucotton layer thickness, and needling density is 1.0～1.5 pins/cm
2.
2. overlay film 3D acoustic(al)absorbent as claimed in claim 1, it is characterized in that: the quality of the first polyester staple fiber stratum reticulare is 2%～6% of cellucotton layer quality.
3. overlay film 3D acoustic(al)absorbent as claimed in claim 1 or 2, it is characterized in that: the thickness of overlay film 3D acoustic(al)absorbent is 5mm～15mm.
4. overlay film 3D acoustic(al)absorbent as claimed in claim 1 or 2, it is characterized in that: overlay film 3D acoustic(al)absorbent is uncovered rectangular structure, the length of overlay film 3D acoustic(al)absorbent and the wide 600mm～1000mm that is are highly 45mm～100mm.
5. overlay film 3D acoustic(al)absorbent as claimed in claim 1 or 2, it is characterized in that: blanket layer is the woven face bed of material or leather layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320351067 CN203347041U (en) | 2013-06-19 | 2013-06-19 | Film covering 3D sound absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320351067 CN203347041U (en) | 2013-06-19 | 2013-06-19 | Film covering 3D sound absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203347041U true CN203347041U (en) | 2013-12-18 |
Family
ID=49746957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320351067 Expired - Lifetime CN203347041U (en) | 2013-06-19 | 2013-06-19 | Film covering 3D sound absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203347041U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321311A (en) * | 2013-06-19 | 2013-09-25 | 苏州佰家丽新材料科技有限公司 | Laminating 3D (three-dimensional) sound absorber and preparation method thereof |
-
2013
- 2013-06-19 CN CN 201320351067 patent/CN203347041U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321311A (en) * | 2013-06-19 | 2013-09-25 | 苏州佰家丽新材料科技有限公司 | Laminating 3D (three-dimensional) sound absorber and preparation method thereof |
| CN103321311B (en) * | 2013-06-19 | 2015-11-18 | 苏州佰家丽新材料科技有限公司 | A kind of overlay film 3D acoustic(al)absorbent and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131218 |